Kitchen sink drain too high?

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RomoKitty

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Hello folks,

I'm in the middle of a remodel and just noticed that when I pour a lot of water into one side of my kitchen sink, it sometimes backs up into the other bowl, but eventually drains out. I took a look underneath and I think the issue is that the tail piece after the trap (into the wall) is sloped the wrong way. I assume this is because the disposal sits too low and the GC couldn't get the tailpiece too slope down to the wall drain stub out.

Or there any solutions for this other than having them move the wall drain stub out lower?
 

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John Gayewski

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That's not what's happening. Your drain is lower than your garbage disposal. You have something in your pipes.
 

Reach4

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Reverse the U of the trap, and get the slopes of the horizontal lines correct. If your p-trap is not reversible, get one that is.
 
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